Definition from Wiktionary, the free dictionary
acidity (plural acidities)
- The quality or state of being acid
- The quality of sour; sourness; tartness; sharpness to the taste, as in the acidity of lemon juice.
- Empty stomachs lead to acidity and leave a sour taste in the mouth.
- (pathology) Excessive acid quality, as in gastric secretions.
quality or state of being acid
quality of sourness to the taste